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Questions and Answers
Species diversity is the number of different species and the number of different individuals in a community. It can be measured by simply counting the number of species present via methods such as random ______
Species diversity is the number of different species and the number of different individuals in a community. It can be measured by simply counting the number of species present via methods such as random ______
sampling
Genetic diversity is a measure of the genetic variation found in a particular species, in other words it is the number of alleles in a gene ______
Genetic diversity is a measure of the genetic variation found in a particular species, in other words it is the number of alleles in a gene ______
pool
Ecosystem diversity is the range of different ______
Ecosystem diversity is the range of different ______
habitats
Biodiversity can also be measured using the index of diversity (D) which can be calculated as following: D = Diversity index N = total number of organisms n = total number of organisms of each species Σ = the sum of ______
Biodiversity can also be measured using the index of diversity (D) which can be calculated as following: D = Diversity index N = total number of organisms n = total number of organisms of each species Σ = the sum of ______
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Agricultural ecosystems reduce the biodiversity and the number of species present because humans select for particular characteristics. This therefore reduces the number of alleles and therefore the genetic diversity of the ______
Agricultural ecosystems reduce the biodiversity and the number of species present because humans select for particular characteristics. This therefore reduces the number of alleles and therefore the genetic diversity of the ______
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Farmland is typically used for only a single species and therefore means that fewer individuals of other species can ______ there
Farmland is typically used for only a single species and therefore means that fewer individuals of other species can ______ there
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Comparing genetic diversity can be done by comparing the frequency of measurable or observable ______
Comparing genetic diversity can be done by comparing the frequency of measurable or observable ______
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The genetic diversity within or between species can be determined by comparing the base sequence of ______
The genetic diversity within or between species can be determined by comparing the base sequence of ______
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Preserving wetlands instead of draining these for farming use helps in maintaining ecosystem ______
Preserving wetlands instead of draining these for farming use helps in maintaining ecosystem ______
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Using hedgerows instead of fences is a technique to maintain ecosystem ______
Using hedgerows instead of fences is a technique to maintain ecosystem ______
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The genetic diversity of a species can be measured by sampling ______ from different individuals
The genetic diversity of a species can be measured by sampling ______ from different individuals
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Comparing observable characteristics like the shape or size used to be a way in which scientists classified species, but now they use gene technology to read the base sequences of ______
Comparing observable characteristics like the shape or size used to be a way in which scientists classified species, but now they use gene technology to read the base sequences of ______
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The greater the number of alleles in a population, the greater the ______ diversity.
The greater the number of alleles in a population, the greater the ______ diversity.
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A species consists of more than one ______.
A species consists of more than one ______.
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Species which share the same niche ______ with each other.
Species which share the same niche ______ with each other.
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The idea that better adapted species survive is the basis of ______ selection.
The idea that better adapted species survive is the basis of ______ selection.
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Evolution is the process by which the frequency of alleles in a gene pool changes over time as a result of ______ selection.
Evolution is the process by which the frequency of alleles in a gene pool changes over time as a result of ______ selection.
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An environmental change can lead to a shift in the ______ pressure.
An environmental change can lead to a shift in the ______ pressure.
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